/Engine/Source/Runtime/Engine/Public/Rendering/SkeletalMeshLODImporterData.h
static bool ReplaceSkeletalMeshRigImportData ( const [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * SkeletalMesh, [FSkeletalMeshImportData](API\Runtime\Engine\Rendering\FSkeletalMeshImportData) * ImportData, int32 LodIndex )